AS431I

AS431I BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

y Programmable Precise Output V oltage from 2.5V to 36V y High Stability Under Capacitive Load y Low Minimum Cathode Current for Regulation: 10µA (Typ.), 50µA (Max.) y Low Temperature Deviation: 4.5mV Typical y Sink Current Capacity from 50µ A to 100mA y Low Output Noise y Wide Operating Range: -40℃ to 125℃

Applications

y Precision V oltage Reference Figure 1. Package Type of AS431I

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Ordering Information

C i r c u i t T y p e G 1 : G r e e n V o l t a g e T o l e r a n c e A : 0 . 5 % T R : T a p e a n d R e e l o r A m m o B : 1 . 0 % B l a n k : B u l k P a c k a g e N: SOT-23 R: SOT-89 Z: TO-92 Package Temperature Range Voltage Tolerance Part Number Marking ID Packing Type 0.5% AS431IANTR-G1 GB9 Tape & Reel SOT-23 -40 to 125℃ 1.0% AS431IBNTR-G1 GC9 Tape & Reel 0.5% AS431IAZ-G1 AS431IAZ-G1 Bulk 0.5% AS431IAZTR-G1 AS431IAZ-G1 Ammo 1.0% AS431IBZ-G1 AS431IBZ-G1 Bulk TO-92 -40 to 125℃ 1.0% AS431IBZTR-G1 AS431IBZ-G1 Ammo 0.5% AS431IARTR-G1 G43J Tape & Reel SOT-89 -40 to 125℃ 1.0% AS431IBRTR-G1 G43K Tape & Reel BCD Semiconductor's products, as designated with "G1" suffix in the part number, are RoHS compliant and Green.

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Cathode V oltage V KA 40 V Cathode Current Range (Continuous) I KA -100 to 150 mA Reference Input Current Range I REF 10 mA TO-92 770 SOT-89 770 Power Dissipation P D SOT-23 370 mW Junction Temperature T J 150 °C Storage Temperature Range T STG -65 to 150 °C ESD (Human Body Model) ESD 2000 V Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Parameter Symbol Min Max Unit Cathode Voltage V KA V REF 36 V Cathode Current I KA 0.05 100 mA Operating Ambient Temperature Range T A -40 125 °C

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

Operating Conditions: TA=25℃, unless otherwise specified. Parameter Test Circuit Symbol Conditions Min Typ Max Unit 0.5% 2.487 2.500 2.512 Reference Voltage 1.0%

4 V REF V KA=VREF, IKA=10mA

2.475 2.500 2.525 V 0 to 70oC 4.5 8 -40 to 85oC 4.5 10 Deviation of Reference Voltage Over Full Temperature Range 4 ∆VREF VKA=VREF IKA= 10mA -40 to 125oC 4.5 16 mV ∆VKA= 10V to VREF -1.0 -2.7 Ratio of Change in Reference Voltage to the Change in Cathode Voltage ∆VREF ∆VKA IKA=10mA ∆VKA= 36V to 10V -0.5 -2.0 mV/V Reference Current 5 I REF IKA=10mA,R1=10kΩ, R2=∞ 3.6 10 µA Deviation of Reference Current Over Full Temperature Range 5 ∆IREF IKA=10mA, R1=10kΩ, R2=∞, TA=-40 to 125 oC 2 4 µA Minimum Cathode Current for Regulation

4 IKA

(Min) VKA=VREF 10 50 µA Off-state Cathode Current 6 IKA (Off) VKA=36V, VREF=0 0.05 1.0 µA Dynamic Impedance 4 Z KA VKA=VREF, IKA=1 to 100mA, f≤1.0kHz 0.15 0.5 Ω TO-92 68 SOT-89 70 Thermal Resistance θJC SOT-23 113 °C/W

Figure 14. Pulse Response of Input and Output Voltage

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions TO-92(Bulk Packing) Unit: mm(inch) 14.100(0.555) 14.500(0.571) 3.300(0.130) 3.700(0.146) 4.300(0.169) 4.700(0.185)

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) TO-92(Ammo Packing) Unit: mm(inch) 4.300(0.169) 4.700(0.185) 13.000(0.512) 14.000(0.551) 3.300(0.130) 3.700(0.146)

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) SOT-23 Unit: mm(inch)

P r e l i m i n a r y D a t a s h e e t LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Feb. 2009 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) S O T - 8 9 U n i t : m m ( i n c h ) 1.400(0.055)* 1.630(0.064) 4.400(0.173) 0.360(0.014) 0.440(0.017) 3.000(0.118) 0.900(0.035) 2.300(0.091) 3.950(0.156) 1.400(0.055) 0.360(0.014) 10° 10° R0.200(0.008) R0.150(0.006) 0.000(0.000) 1.600(0.063) 0.440(0.017) 0.560(0.022) 2.600(0.102) 0.520(0.020) 4.600(0.181) 1.830(0.072) 1.200(0.047) 4.250(0.167) 0.076(0.003) 0.360(0.014) 0.480(0.019)

BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 BCD Semiconductor Manufacturing Limited MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corporation 30920 Huntwood Ave. Hayward, CA 94544, U.S.A Tel : +1-510-324-2988 Fax: +1-510-324-2788 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com BCD Semiconductor Manufacturing Limited IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.

800 Yi Shan Road, Shanghai 200233, China

Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd., Shenzhen Office Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen, 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corp. 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax: +1-510-324-2788 - Headquarters BCD Semiconductor Manufacturing Limited No. 1600, Zi Xing Road, Shanghai ZiZhu Science-based Industrial Park, 200241, China Tel: +86-21-24162266, Fax: +86-21-24162277